Code list: res78: Specific_Dementias_Not_Used_In_This

Research article:

Are symptoms of insomnia in primary care associated with subsequent onset of dementia? A matched retrospective case-control study

Reference:

Richard Hoile, Naji Tabet, Helen Smith, Stephen Bremner, Jackie Cassell, Elizabeth Ford(2019) Are symptoms of insomnia in primary care associated with subsequent onset of dementia? A matched retrospective case-control study. , doi:

Link to article
Abstract: Objective There is evidence from neuroimaging studies of an association between insomnia and early dementia biomarkers, but observational studies have so far failed to show a clear association between insomnia and the later development of dementia. We investigated the association between dementia diagnosis and recording of insomnia symptoms 5-10 years earlier in primary care. Method A case-control study using data from the Clinical Practice Research Datalink. 15,209 cases with dementia (either Alzheimer’s, vascular, mixed or non-specific subtypes) at least 65 years old at time of diagnosis, were matched with the same number of controls on year of birth and gender. We ascertained the presence of insomnia symptoms during a five-year period starting 10 years before the index date. Odds ratios for developing dementia were estimated using logistic regression after controlling for hypnotic exposure and physical and mental health comorbidities. Results The adjusted odds ratio for dementia in those with previous insomnia was 1.34 (95% CI = 1.20 to 1.50). Conclusion There is an association between dementia and previous insomnia. It may be possible to incorporate insomnia into predictive tools for dementia.
Author for correspondence: Richard Hoile
Email for correspondence: richard.hoile@sussexpartnership.nhs.uk

Code list: res78: Specific_Dementias_Not_Used_In_This_Study

14 codes in list

Code	Coding system	Description	Entity type	List name
E012.00	Read	Other alcoholic dementia	diagnostic	res78: Specific_Dementias_Not_Used_In_This_Study
E012.11	Read	Alcoholic dementia NOS	diagnostic	res78: Specific_Dementias_Not_Used_In_This_Study
E02y100	Read	Drug-induced dementia	diagnostic	res78: Specific_Dementias_Not_Used_In_This_Study
Eu02.00	Read	[X]Dementia in other diseases classified elsew...	diagnostic	res78: Specific_Dementias_Not_Used_In_This_Study
Eu02000	Read	[X]Dementia in Pick's disease	diagnostic	res78: Specific_Dementias_Not_Used_In_This_Study
Eu02100	Read	[X]Dementia in Creutzfeldt-Jakob disease	diagnostic	res78: Specific_Dementias_Not_Used_In_This_Study
Eu02200	Read	[X]Dementia in Huntington's disease	diagnostic	res78: Specific_Dementias_Not_Used_In_This_Study
Eu02300	Read	[X]Dementia in Parkinson's disease	diagnostic	res78: Specific_Dementias_Not_Used_In_This_Study
Eu02400	Read	[X]Dementia in human immunodef virus [HIV] dis...	diagnostic	res78: Specific_Dementias_Not_Used_In_This_Study
Eu02500	Read	[X]Lewy body dementia	diagnostic	res78: Specific_Dementias_Not_Used_In_This_Study
Eu10711	Read	[X]Alcoholic dementia NOS	diagnostic	res78: Specific_Dementias_Not_Used_In_This_Study
F111.00	Read	Pick's disease	diagnostic	res78: Specific_Dementias_Not_Used_In_This_Study
F116.00	Read	Lewy body disease	diagnostic	res78: Specific_Dementias_Not_Used_In_This_Study
ZS7C500	Read	Language disorder of dementia	diagnostic	res78: Specific_Dementias_Not_Used_In_This_Study

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